JPH11288460A - Movement controller for display screen and electronic equipment equipped with the controller - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a screen movement controller for operating screen movement to all directions related with a reference position set on the display screen of a display device. SOLUTION: This electronic equipment 10 is provided with a coordinate inputting device (touch panel) 16 for inputting coordinate information related with a display screen, storage part 21 for temporarily storing information to be displayed, display controlling part 22 for controlling the rotary movement and display of display information read from the storage part 21 at an angle of rotation instructed through the coordinate inputting device 16, screen displaying means 23 for screen-displaying the display information applied from the storage part 21 based on control by the display controlling part 22, and control part 24 for calculating the rotary movement information of the display screen based on the coordinate input to the coordinate inputting device 16, and applying data corresponding to the rotary movement of the screen to the display controlling part 22.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a display screen movement control device for rotating a screen displayed by a screen display device based on, for example, an instruction given by a user from a coordinate input device, and its movement control. It is about the method.

[0002]

2. Description of the Related Art In software for drawing a drawing using a navigation device or a computer, an operation of moving a drawing or the like displayed on a display device or the like as a display means by scrolling or the like is indispensable. Such a screen moving operation uses a pointing device such as a joystick or a mouse connected to the computer, a scroll bar of a keyboard, or the like.

[0003]

However, when the screen is moved using a joystick, a scroll bar, or the like, the operation is performed by operating means separated from the screen while viewing the screen. It is difficult for the user to get a sense of operation sensuously and to master it, so it is difficult to make full use of it immediately after purchasing it.

[0004] Further, for example, in the case of using a navigation device to check the course of an arbitrary direction on the basis of its own position on a map, there is a restriction on the use that the conventional screen movement method cannot cope with. there were.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides a screen movement control device capable of moving a screen in all directions with respect to a reference position set on a display screen of a display device. It is intended to be.

[0006]

According to the present invention, there is provided a coordinate input means for inputting coordinate information in relation to a display screen, a storage means for temporarily storing information to be displayed, and Display control means for rotating and displaying the display information read from the storage means at the rotation angle instructed via the coordinate input means and displaying the display information, based on the control by the display control means, Screen display means for displaying given display information on a screen, and calculating rotational movement information of a display screen based on a coordinate input to the coordinate input device, and providing data corresponding to the rotational movement of the screen to the display control unit. And a control unit that provides the following.

According to the configuration of the first aspect, an instruction from the user is input from the coordinate input device based on the coordinates of the displayed screen, for example, in relation to the display screen of the display device. This instruction is input to the display control means via the control means as information for moving the screen read and displayed from the storage means. The display control means rotates and moves the displayed screen based on the content of the instruction.

[0008]

Preferred embodiments of the present invention will be described below in detail with reference to the accompanying drawings. The embodiment described below is a preferred specific example of the present invention, and thus various technically preferable limitations are added. However, the scope of the present invention particularly limits the present invention in the following description. The embodiment is not limited to these embodiments unless otherwise stated.

FIGS. 1 and 2 show a portable navigation device as an example of an electronic apparatus to which a display screen moving device according to the present invention is applied. FIG. 1 is a schematic perspective view of the navigation device, and FIG. Is a schematic exploded perspective view thereof. In these figures, a portable navigation device 10 as an electronic device includes a housing 11 and a navigation device main body 12 including an antenna portion exposed outside the housing 11. The navigation device main body 12 includes an antenna (not shown) capable of receiving signals from, for example, a sanitary station or a predetermined base station wirelessly, and an information processing system including predetermined navigation software, mainly a small computer. Further, the navigation device body 12 may be equipped with an auto gyro or the like in addition to the information from the antenna to perform self-contained navigation guidance.

As shown in FIG. 2, a housing 11 having a size and shape convenient for carrying is provided with a case 14 and a cover 13 fixed to the front surface of the case. Cover 1
A display window 15 is formed on the front surface (upper surface in the figure) of 3. A touch panel 16 as a coordinate input device is provided on the case 14 so as to be exposed from the display window 15.
And a liquid crystal panel 17 which is arranged on the back side of the touch panel 16 and has a built-in drive circuit. These display window 15, touch panel 16, liquid crystal panel 17
And the like constitute a screen display means.

Further, the case 14 incorporates, for example, an optical disk device 18 using magneto-optical recording, and an external recording medium 18a as a main storage device storing map information and the like can be attached to and detached from the optical disk device 18. It has become. The navigation device main body 12 is connected to the screen display device and the optical disk device 18, and is driven by a built-in battery 19 housed in the case 14.

FIG. 3 shows a movement control device 20 (hereinafter referred to as a “movement control device 2”) of a display screen built in the electronic device 10.
0 ”). In the figure, a movement control device 20 includes, for example, a storage unit 21 for storing data read from the optical disk device 18 as needed, and a display control unit 22 to which screen information read from the storage unit 21 is given. Screen display means 23 for displaying screen information given through the display control means; and a touch panel 16 as a coordinate input means for the user to input coordinate information of the screen corresponding to the screen display means 23. And And the coordinate input means 1
Numeral 6 gives coordinate data from the user to the control unit 24, and the control unit 24 gives instructions to the storage unit 21 and the display control unit 22 as described later.

Here, the storage section 21 is constituted by a video RAM capable of storing a video signal, for example, and the screen display means 2
In order to perform the screen display required for the control unit 3, the control unit 24 reads the external storage medium 18 a of FIG.
The screen data is read in accordance with the instruction.
The storage unit 21 stores the navigation device body 1
2 can also be used as the rewritable storage means. FIG. 4 shows an example of screen data read by the storage unit 21. In the movement control device 20, regarding the screen data D2-1 displayed on the display means 23,
As described later, the image data D2-2 rotated and moved by a specified angle around a reference point O specified by the user is displayed. For this reason, the storage unit 21
Is the screen data D2-1 based on the instruction of the control unit 24.
As well as data on a wider area,
The screen data D1 covering all data obtained by rotating the screen data 2-1 by an arbitrary angle around the reference point O is fetched at a time.

As the coordinate input device 16, for example, a known touch panel is used.
When an arbitrary position on the touch panel 16 is touched with a fingertip or the like in accordance with the display screen, the coordinate information is output to the control unit 24.

The control unit 24 is, for example, a small computer. For example, the control unit 24 may be configured as an additional function of a CPU constituting the navigation device body 12, or may be a small computer connected thereto. Further, the control unit 24 includes software for performing processing as described below, and may include a timer T or the like as a time measuring means for screen rotation movement control as necessary. In addition, the control performed by the control unit 24 as described later may be partially performed by a relay circuit or the like integrated with or separate from the control unit 24.

The control unit 24 includes, as described later,
Based on the information input from the touch panel 16,
Data for rotating and moving the display screen is calculated and provided to the display control unit 22. That is, the control unit 24 reads necessary map information and the like from the external storage device 18a of the optical disc device 14 based on the current position information of the user and the like given from the navigation device main body 12, and It is instructed to store it in the Further, the control unit 24 may control the touch panel 1 with respect to the coordinate data regarding the screen data before the rotational movement, for example.
The coordinates of the screen data on the display screen are converted and calculated so as to conform to the contents of the rotation movement instruction given through the control unit 6, and the rotation control data is given to the display control unit 22 as rotation movement data.

The display control unit 22 obtains display screen information from the storage unit 21 in accordance with an instruction from the control unit 24, and based on the rotational movement data given from the control unit 24, determines the coordinate position of the screen data. After the conversion, the screen data and the converted coordinate data are sent to the screen display means 23.

The screen display means 23 is, for example, a display device having a pixel configuration corresponding to a coordinate position on a display screen.
As described above, it is configured by a display device such as a liquid crystal panel or a CRT including a drive control circuit, for example.

In the above configuration, the storage unit 21,
All or a part of the display control unit 22 and the control unit 24 may be integrated into one integrated circuit.

FIGS. 5 to 9 show the movement control device 2 described above.
0 shows an example of a method for rotating and moving a display screen, and a first embodiment of a method for rotating and moving a screen will be described first with reference to FIGS. (First Embodiment of Screen Rotation and Movement Method) FIG. 6 shows a touch panel 1 that exposes a screen movement by a movement control device 20 from a window 15 of an electronic device 10 when a screen rotation is performed.
6 is shown, and FIG. 5 is a flowchart of the operation. In FIG. 5, a window 15 is
A screen display corresponding to the screen D1 shown in FIG. 4 is displayed on the liquid crystal panel 17 of FIG. 4. When the electronic device 10 is provided with an on / off switch for a screen rotational movement mode, this is turned on. And

A user (not shown) uses contact means TP such as a touch pen, for example, as shown in FIG.
A certain point on the touch panel 16 which is a coordinate input device is selected (UST11). With this first contact, the coordinates of the contact point are sent to the control unit 24 in FIG. 3, and the control unit 24 sets this as the start point P (coordinate) (ST11). In this embodiment, the rotation center of the screen is set in advance, and the operation corresponding to FIG. 6A is not performed. Subsequently, the control unit 24 determines, on the coordinates on the touch panel 16, a line segment between the point O preset on the coordinates as the rotation center of the screen and the first contact point P as described above. The OP is set (ST12) (FIG. 6 (c)).

On the other hand, the user releases the pen contact at a desired point while moving the pen on the touch panel 16 while holding the contact after touching the point P (UST1).
2). The controller 24 detects that the pen has been released via the touch panel 16, and sets the point (coordinate) where the pen has been released as the end point Q (ST13) (FIG. 6D). Subsequently, the control unit 24 sets a line segment OQ (ST14) (FIG. 6 (e)), and obtains an angle θ between the line segment OP and the line segment OQ (ST15) (FIG. 6 (f)).

Next, the control unit 24 calculates a coordinate value obtained by rotating the screen D2-1 shown in FIG. The display control unit 22 determines the range of the screen information D1 shown in FIG.
A new screen D2-1 is set with the coordinates after the rotation movement sent from the control unit 24, and this is displayed on the display means 23 (ST16). Thus, the rotation of the display screen is completed (ST17), and the display screen returns to a standby state in preparation for a new instruction.

As described above, according to the above-described embodiment, the user can directly give a rotation instruction to the display screen via the touch panel 16, and it is extremely difficult to use the operation means separated from the screen. The rotation of the display screen can be realized by a simple operation. In particular, in the case of a portable electronic device as shown in FIG. 1, when the main body and the display screen are compactly integrated, it is difficult to provide a separate pointing device or the like. It can be realized on a simple device configuration. In addition, when the display screen is rotated, the user can visually set the rotation angle on the screen based on his / her senses without having to set the detailed movement angle. And it is easy to grasp in advance the image of the rotational movement to be executed.

(Second Embodiment of Screen Rotation and Movement Method)
FIG. 7 shows a second embodiment of the method of rotating and moving the screen. The second embodiment of the rotational movement method is different from the first embodiment in that the center of rotation of the screen is selected first. As in the first embodiment, FIG. 6 shows a state in which the movement control device 20 instructs the touch panel 16 exposed from the window 15 of the electronic device 10 to rotate the screen. In FIG.
A window display corresponding to the screen D1 shown in FIG. 4 is displayed on the window unit 15 by the liquid crystal panel 17 of FIG. 1, and when the electronic device 10 is provided with an on / off switch of a screen rotational movement mode. Shall be turned on.

A user (not shown) uses a touch pen TP or the like to select a point on the touch panel 16 which is a coordinate input device as shown in FIG.
1). By this first contact, the coordinates of the contact point are shown in FIG.
Is set as the rotation center O of the screen (ST1). In addition, the user
As shown in FIG. 6B, one point different from the above on the touch panel 16 is selected (UST2). By this second contact,
The coordinates of the contact point are sent to the control unit 24 in FIG. 3, and the control unit 24 sets this as a start point P (coordinate) (ST
2).

Subsequently, the control unit 24 controls the touch panel 16
In the coordinates above, the rotation center O of the screen due to the first contact is
Then, a line segment OP is set between the point and the contact point P by the second contact (ST3) (FIG. 6C).

On the other hand, after touching the point P, the user releases the pen contact at a desired point while moving the pen on the touch panel 16 while maintaining the contact (UST3) (UST4). Touch panel 1 indicates that this pen has been released
6, the control unit 24 detects the point (coordinate) where the pen is released and sets it as the end point Q (ST4) (FIG. 6).
(D)). Subsequently, the control unit 24 sets a line segment OQ (ST5) (FIG. 6 (e)), and obtains an angle θ between the line segment OP and the line segment OQ (ST6) (FIG. 6 (f)).

Next, the control unit 24 calculates a coordinate value obtained by rotating the screen D2-1 shown in FIG. The display control unit 22 determines the range of the screen information D1 shown in FIG.
A new screen D2-1 is set with the coordinates after the rotational movement sent from the control unit 24, and this is displayed on the display means 23 (ST7). Thus, the rotational movement of the display screen is completed (ST8), and the display screen returns to a standby state in preparation for a new instruction.

Therefore, in the second embodiment of the screen moving method, unlike the first embodiment, it is necessary to first perform an operation of selecting the rotational movement center of the screen. There is an advantage that any position can be designated as the rotation center of the screen. For this reason, in the second embodiment, all the functions and effects of the first embodiment can be exerted. In addition to this, when rotating the screen,
The degree of freedom of the user can be further improved.

(Third Embodiment of Screen Rotation and Movement Method)
8 and 9 show a third embodiment of the method for rotating and moving a screen. This embodiment is a mode of a rotational displacement scroll for performing a rotational movement of a screen in real time. FIG. 8 is a flowchart of the screen rotational movement control.
8 shows a state in which the movement control device 20 instructs the touch panel 16 exposed from the window 15 of the electronic device 10 to rotate the screen when the screen is rotated. In FIG. 9, the window 15 is provided with the liquid crystal panel 17 of FIG.
When the electronic device 10 is provided with an on / off switch for the screen rotation mode, it is assumed that this is turned on.

A user (not shown) selects a certain point on the touch panel 16, which is a coordinate input device, using a touch pen or the like (UST 21). With this first contact,
The coordinates of the contact point are sent to the control unit 24 in FIG. 3, and the control unit 24 sets this as the rotation center O of the screen (ST2).
1). Further, as shown in FIG. 9A, the user selects one point different from the above on the touch panel 16 (UST2).
2). Due to this second contact, the coordinates of the contact point are
Is set as the start point P (coordinate) (ST22).

Subsequently, the control unit 24 operates the touch panel 16
In the coordinates above, the rotation center O of the screen due to the first contact is
Then, a line segment OP is set between the second contact and the contact point P by the second contact (ST23) (FIG. 9A).

On the other hand, after touching the point P, the user moves the pen on the touch panel 16 while maintaining the contact (UST23). Here, the control unit 24 starts counting time from the user operation of the UST 22 by the built-in timer T. When the elapsed time of, for example, 0.3 seconds is counted as the predetermined unit time Δt, the coordinates of the contact point of the pen or the like at that time are acquired from the coordinate input means 16,
A point P1 is set (ST24) (FIG. 9B). Subsequently, the control unit 24 sets the line segment OP1 (ST25),
The angle Δθ formed between the line segment OP and the line segment OP1 is obtained (ST2).
6).

Next, the control unit 24 calculates a coordinate value obtained by rotating the screen D2-1 shown in FIG. The display control unit 22 determines the range of the screen information D1 shown in FIG.
A new screen D2-1 is set with the coordinates after the rotation movement sent from the control unit 24, and this is displayed on the display means 23 (ST27). In this manner, the display screen is repeatedly rotated and moved at every unit time Δt, and this is continued as long as the user is in contact with the coordinate input device 16.

Next, when the user stops touching the coordinate input device 16 with a pen or the like (UST 24), the control unit 24
Acquires the coordinates of the point and the coordinate value at which the continuation of the input to the touch panel 16 or the like is completed, and sets the point Q (ST29).
Subsequently, the control unit 24 sets the line segment OQ (ST3).
0), the angle θ between the line segment OP and the line segment OQ is obtained (ST)
31). Here, the control unit 24 integrates the unit angle Δθ calculated for each unit time Δt, compares the unit angle Δθ with the angle θ, calculates the shift amount, and rotates the current display screen by the shift amount. Is also good.

Alternatively, the control unit 24 controls the state before the start of the rotational movement of the screen, that is, the line segment OP in ST23.
A coordinate value obtained by rotating the screen D2-1 shown in FIG. 4 on the coordinates by the above angle θ may be calculated and sent to the display control unit 22. The display control unit 22 includes a storage unit 21
In the range of the screen information D1 shown in FIG.
2-1 is set, and this is displayed on the display means 23 (S
T32). Thus, the rotational movement of the display screen is completed (ST33), and the display screen returns to a standby state in preparation for a new instruction.

Therefore, in the third embodiment of the screen moving method, unlike the first and second embodiments, the control unit 24 issues a screen rewriting instruction at every unit time Δt, and To rotate the screen. For this reason,
In the third embodiment, all the effects of the first embodiment can be exerted. In addition to this, the user moves the coordinate input device 16 with the pen or the like in contact therewith. Then, the screen is displaced and rotated every unit time Δt so as to follow the movement. For this reason,
The user can work while visually observing the state in which the user's instructions are executed one after another, the result of the rotation of the screen can be easily predicted, the operability is improved, and the rotation angle of the screen and the like can be improved. Can be more easily obtained as desired.

The present invention is not limited to the above embodiment.
The electronic device of the present invention is not limited to the portable navigation device as described above, but can be applied to a device that cannot be carried. In addition, not only the navigation device but also various information devices such as a computer device having a screen or image display means can be widely incorporated with the screen rotation control device, and these are all within the scope of the present invention.

Further, the screen movement control device may be provided with a scrolling function for parallel movement in an arbitrary direction in addition to rotational movement.

[0041]

As described above, according to the present invention, with respect to the reference position set on the display screen of the display device, the screen movement control device and the movement control method can perform screen movement in all directions. Also, an electronic device using these can be provided.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view showing a configuration example of an electronic device incorporating a screen movement control device according to the present invention.

FIG. 2 is a schematic exploded perspective view of the electronic device of FIG.

FIG. 3 is a block diagram illustrating a configuration of a display screen movement control device incorporated in the electronic apparatus of FIG. 1;

FIG. 4 is a diagram for describing screen data acquired by a storage unit 21 of the display screen movement control device in FIG. 3;

FIG. 5 is a flowchart showing a first embodiment of a screen moving method by the screen moving control device of FIG. 3;

FIG. 6 is an explanatory diagram showing a state of a screen moving method by the screen moving control device of FIG. 3;

FIG. 7 is a flowchart showing a second embodiment of the screen moving method by the screen moving control device of FIG. 3;

FIG. 8 is a flowchart showing a third embodiment of the screen moving method by the screen moving control device of FIG. 3;

FIG. 9 is an explanatory diagram illustrating a state of a screen moving method according to a third embodiment by the screen movement control device of FIG. 3;

[Explanation of symbols]

10 ... Electronic equipment (portable navigation device), 1
DESCRIPTION OF SYMBOLS 1 ... housing | casing, 12 ... navigation apparatus main body, 1
4 ... cover, 14 ... case, 15 ... display window, 16 ... coordinate input device (touch panel), 17
..Liquid crystal panel, 18 ... optical disk device, 20 ...
A display screen movement control device, 21 ... a storage unit, 22
..Display control section, 23... Screen display means, 24.
Control unit.

──────────────────────────────────────────────────の Continued on the front page (51) Int.Cl. ⁶ Identification code FI G09G 5/36 510 G09G 5/36 520K 520 G06F 15/62 335

Claims (10)

[Claims] 1. Coordinate input means for inputting coordinate information in relation to a display screen, storage means for temporarily storing information to be displayed, and display information read from the storage means for the coordinate input means. A display control means for rotating and displaying the image at a rotation angle instructed via the display means, a screen display means for displaying display information provided from the storage means on a screen based on control by the display control means, A display unit for calculating rotation movement information of the display screen based on a coordinate input to the coordinate input device and providing the display control unit with data corresponding to the rotation movement of the screen. Movement control device. 2. An electronic device comprising means for displaying recorded screen information, wherein said coordinate input means inputs coordinate information in relation to a screen displayed on said screen display means, and screen information to be displayed. Storage means for temporarily storing the display information; display control means for rotating and moving display information read from the storage means at a rotation angle instructed via the coordinate input means; and displaying the display information. Screen display means for displaying the display information given from the storage means on the screen based on the control by the control means; and calculating the rotational movement information of the display screen based on the coordinate input to the coordinate input device, and A control unit for giving data corresponding to the rotational movement of the screen to the unit. 3. The display screen electronic device according to claim 2, wherein said coordinate input means is a touch panel. 4. The electronic apparatus according to claim 2, wherein a center of rotation when rotating a display screen is set as a reference point on the touch panel. 5. The electronic device according to claim 2, wherein a reference point as a center of rotation when rotating a display screen is arbitrarily set on the touch panel. 6. The control unit according to claim 1, wherein the user touches the coordinate input means from a reference point O set on the touch panel, and the user sets the start point P arbitrarily set and the user at a position different from the start point P. Sets a line segment OP and a line segment OQ for an end point Q set by releasing the contact state, and rotates and moves the display screen by an angle θ formed by the line segment OP and the line segment OQ. 4. The electronic device according to claim 3, wherein the rotation device generates rotation movement data. 7. The electronic apparatus according to claim 1, wherein the storage unit stores all screen information that becomes a display screen range when the display screen is rotated around a reference point of the display screen. 8. A starting point P by touching an arbitrary point on a touch panel for inputting coordinate information in relation to a display screen.
Is moved from the contact position P while maintaining the contact with the touch panel, and the end point Q is set by releasing the contact state. From the reference point O preset on the touch panel to the start point P, For the end point Q, a line segment OP and a line segment O
Q is set, an angle θ formed by the line segment OP and the line segment OQ is calculated, and the display screen is rotated and moved around the reference point O by the angle θ. Rotation movement method. 9. The method according to claim 8, wherein a point first touched on the touch panel after the start of the movement mode of the display screen is set as the reference point Q. 10. When moving while maintaining contact with the touch panel with the start point P as a measurement start point, a timer unit measures a predetermined unit time Δt, and an intermediate time is calculated each time the unit time Δt ends. The coordinates of the point P1 are acquired, and a line segment OP is obtained from the reference point O preset on the touch panel to the measurement start point P and the intermediate point P1.
And the line segment OP1 are set, an angle Δθ formed by the line segment OP and the line segment OP1 is calculated, and the display screen is rotated around the reference point O by the angle Δθ, and then the intermediate position is calculated. The method of rotating the display screen according to claim 8, wherein the display screen is continuously rotated until the movement is completed, using the point P1 as a measurement start point.